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In a mechanical flotation cell, the formation of three hydrodynamic zones including the turbulent, the quiescent and the froth zone is essential for effective flotation. The turbulent zone affects solids suspension, gas dispersion and bubble-particle interactions. Quiescent zone helps reducing the probability of recovery of gangue minerals, which may have been entrained mechanically. Therefore, better understanding of the height of these zones is essential [1, 2]. The three hydrodynamic zones in a mechanical cell are depicted in Figure 1.

The Effect of Cross Section of Mechanical Flotation Cells on the Height of Turbulent and Quiescent Zones